These Home Assistant Companion documentation pages provide information about the mobile apps.
Home Assistant
Home Assistant is open-source home automation software focused on local control and privacy.
About Home Assistant
Home Assistant is open source home automation software that focuses on local control and privacy. It is a project of the Open Home Foundation, which is a non-profit. It is supported by a worldwide community of tinkerers and DIY enthusiasts.
You can connect devices and services, set up automations, and build customizable dashboards to monitor and control your home from mobile or desktop. It includes Assist for voice control using natural language, energy management tools to monitor usage and solar production, and companion apps for Android and iOS that support notifications and presence detection. It also works with Alexa and Google Assistant, and can display dashboards on TVs with Home Assistant Cast.
It suits people who want to manage smart home devices locally and build their own automations and dashboards.
Key features
- Integrates with over 1,000 brands and services
- Automations for lights, alerts and device behavior
- Customizable drag-and-drop dashboards for mobile and desktop
- Assist voice control with natural language and wake words
- Local processing with no data stored in cloud
- Energy monitoring for usage and solar production
Best for: People who want local, privacy-focused control of smart home devices and automations.
Good for
- Local control and privacy focus
- Wide device and service integration
- Custom automations and dashboards
- Companion apps for Android and iOS
Home Assistant at a glance
- Website
- home-assistant.io
- Category
- Lifestyle & Hobbies › Home & Garden
- Type
- Website
- Pricing
- Not confirmed. Check the site
- Platforms
- Android, iOS, Web
- Open source
- Not stated
- Language
- English
- Last checked
- Oct 6, 2026 · Online when checked
- Listed
- Oct 5, 2026
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Home Assistant FAQ
What is Home Assistant?
Home Assistant is open source home automation software focused on local control and privacy. It is a project of the Open Home Foundation.
Does Home Assistant store data in the cloud?
No data is stored in the cloud and processing is done locally. It communicates with devices locally and uses the cloud only if there is no other option.
Can I control Home Assistant by voice?
Yes, you can use Assist with natural language and wake words. It also works with Alexa and Google Assistant.
Is there a mobile app for Home Assistant?
Yes, there are official companion apps for Android and iOS. The apps allow device control, notifications, and presence detection.
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